vue el-cascader取id和lable的值

element-ui级联选择器(Cascader)获取级联对象 ：获取:label值、value值

 

代码：

 <el-cascader
                    v-model="form.City"
                    :options="GetCascaderOptionsData"
                    @change="handleChange"
                    :props="props"
                     ref="cascaderAddr"
                  ></el-cascader>

根据props 来更换json数组取得对象值

  props:{
         value:'id',
         currentLabels:'label'

      },

  handleChange(e) {
       var   thsAreaCode = this.$refs['cascaderAddr'].currentLabels    //注意2： 获取label值
         console.log(thsAreaCode); // 注意3： 最终结果是个一维数组对象
      console.log(e);
    }

数组对象：

[{"value":"110000","label":"北京市","ProvinceId":null,"children":[{"value":"110100","label":"市辖区","ProvinceId":"110000","children":null}]},{"value":"120000","label":"天津市","ProvinceId":null,"children":[{"value":"120100","label":"市辖区","ProvinceId":"120000","children":null}]},{"value":"130000","label":"河北省","ProvinceId":null,"children":[{"value":"130100","label":"石家庄市","ProvinceId":"130000","children":null},{"value":"130200","label":"唐山市","ProvinceId":"130000","children":null},{"value":"130300","label":"秦皇岛市","ProvinceId":"130000","children":null},{"value":"130400","label":"邯郸市","ProvinceId":"130000","children":null},{"value":"130500","label":"邢台市","ProvinceId":"130000","children":null},{"value":"130600","label":"保定市","ProvinceId":"130000","children":null},{"value":"130700","label":"张家口市","ProvinceId":"130000","children":null},{"value":"130800","label":"承德市","ProvinceId":"130000","children":null},{"value":"130900","label":"沧州市","ProvinceId":"130000","children":null},{"value":"131000","label":"廊坊市","ProvinceId":"130000","children":null},{"value":"131100","label":"衡水市","ProvinceId":"130000","children":null}]},{"value":"140000","label":"山西省","ProvinceId":null,"children":[{"value":"140100","label":"太原市","ProvinceId":"140000","children":null},{"value":"140200","label":"大同市","ProvinceId":"140000","children":null},{"value":"140300","label":"阳泉市","ProvinceId":"140000","children":null},{"value":"140400","label":"长治市","ProvinceId":"140000","children":null},{"value":"140500","label":"晋城市","ProvinceId":"140000","children":null},{"value":"140600","label":"朔州市","ProvinceId":"140000","children":null},{"value":"140700","label":"晋中市","ProvinceId":"140000","children":null},{"value":"140800","label":"运城市","ProvinceId":"140000","children":null},{"value":"140900","label":"忻州市","ProvinceId":"140000","children":null},{"value":"141000","label":"临汾市","ProvinceId":"140000","children":null},{"value":"141100","label":"吕梁市","ProvinceId":"140000","children":null}]},{"value":"150000","label":"内蒙古自治区","ProvinceId":null,"children":[{"value":"150100","label":"呼和浩特市","ProvinceId":"150000","children":null},{"value":"150200","label":"包头市","ProvinceId":"150000","children":null},{"value":"150300","label":"乌海市","ProvinceId":"150000","children":null},{"value":"150400","label":"赤峰市","ProvinceId":"150000","children":null},{"value":"150500","label":"通辽市","ProvinceId":"150000","children":null},{"value":"150600","label":"鄂尔多斯市","ProvinceId":"150000","children":null},{"value":"150700","label":"呼伦贝尔市","ProvinceId":"150000","children":null},{"value":"150800","label":"巴彦淖尔市","ProvinceId":"150000","children":null},{"value":"150900","label":"乌兰察布市","ProvinceId":"150000","children":null},{"value":"152200","label":"兴安盟","ProvinceId":"150000","children":null},{"value":"152500","label":"锡林郭勒盟","ProvinceId":"150000","children":null},{"value":"152900","label":"阿拉善盟","ProvinceId":"150000","children":null}]},{"value":"210000","label":"辽宁省","ProvinceId":null,"children":[{"value":"210100","label":"沈阳市","ProvinceId":"210000","children":null},{"value":"210200","label":"大连市","ProvinceId":"210000","children":null},{"value":"210300","label":"鞍山市","ProvinceId":"210000","children":null},{"value":"210400","label":"抚顺市","ProvinceId":"210000","children":null},{"value":"210500","label":"本溪市","ProvinceId":"210000","children":null},{"value":"210600","label":"丹东市","ProvinceId":"210000","children":null},{"value":"210700","label":"锦州市","ProvinceId":"210000","children":null},{"value":"210800","label":"营口市","ProvinceId":"210000","children":null},{"value":"210900","label":"阜新市","ProvinceId":"210000","children":null},{"value":"211000","label":"辽阳市","ProvinceId":"210000","children":null},{"value":"211100","label":"盘锦市","ProvinceId":"210000","children":null},{"value":"211200","label":"铁岭市","ProvinceId":"210000","children":null},{"value":"211300","label":"朝阳市","ProvinceId":"210000","children":null},{"value":"211400","label":"葫芦岛市","ProvinceId":"210000","children":null}]},{"value":"220000","label":"吉林省","ProvinceId":null,"children":[{"value":"220100","label":"长春市","ProvinceId":"220000","children":null},{"value":"220200","label":"吉林市","ProvinceId":"220000","children":null},{"value":"220300","label":"四平市","ProvinceId":"220000","children":null},{"value":"220400","label":"辽源市","ProvinceId":"220000","children":null},{"value":"220500","label":"通化市","ProvinceId":"220000","children":null},{"value":"220600","label":"白山市","ProvinceId":"220000","children":null},{"value":"220700","label":"松原市","ProvinceId":"220000","children":null},{"value":"220800","label":"白城市","ProvinceId":"220000","children":null},{"value":"222400","label":"延边朝鲜族自治州","ProvinceId":"220000","children":null}]},{"value":"230000","label":"黑龙江省","ProvinceId":null,"children":[{"value":"230100","label":"哈尔滨市","ProvinceId":"230000","children":null},{"value":"230200","label":"齐齐哈尔市","ProvinceId":"230000","children":null},{"value":"230300","label":"鸡西市","ProvinceId":"230000","children":null},{"value":"230400","label":"鹤岗市","ProvinceId":"230000","children":null},{"value":"230500","label":"双鸭山市","ProvinceId":"230000","children":null},{"value":"230600","label":"大庆市","ProvinceId":"230000","children":null},{"value":"230700","label":"伊春市","ProvinceId":"230000","children":null},{"value":"230800","label":"佳木斯市","ProvinceId":"230000","children":null},{"value":"230900","label":"七台河市","ProvinceId":"230000","children":null},{"value":"231000","label":"牡丹江市","ProvinceId":"230000","children":null},{"value":"231100","label":"黑河市","ProvinceId":"230000","children":null},{"value":"231200","label":"绥化市","ProvinceId":"230000","children":null},{"value":"232700","label":"大兴安岭地区","ProvinceId":"230000","children":null}]},{"value":"310000","label":"上海市","ProvinceId":null,"children":[{"value":"310100","label":"市辖区","ProvinceId":"310000","children":null}]},{"value":"320000","label":"江苏省","ProvinceId":null,"children":[{"value":"320100","label":"南京市","ProvinceId":"320000","children":null},{"value":"320200","label":"无锡市","ProvinceId":"320000","children":null},{"value":"320300","label":"徐州市","ProvinceId":"320000","children":null},{"value":"320400","label":"常州市","ProvinceId":"320000","children":null},{"value":"320500","label":"苏州市","ProvinceId":"320000","children":null},{"value":"320600","label":"南通市","ProvinceId":"320000","children":null},{"value":"320700","label":"连云港市","ProvinceId":"320000","children":null},{"value":"320800","label":"淮安市","ProvinceId":"320000","children":null},{"value":"320900","label":"盐城市","ProvinceId":"320000","children":null},{"value":"321000","label":"扬州市","ProvinceId":"320000","children":null},{"value":"321100","label":"镇江市","ProvinceId":"320000","children":null},{"value":"321200","label":"泰州市","ProvinceId":"320000","children":null},{"value":"321300","label":"宿迁市","ProvinceId":"320000","children":null}]},{"value":"330000","label":"浙江省","ProvinceId":null,"children":[{"value":"330100","label":"杭州市","ProvinceId":"330000","children":null},{"value":"330200","label":"宁波市","ProvinceId":"330000","children":null},{"value":"330300","label":"温州市","ProvinceId":"330000","children":null},{"value":"330400","label":"嘉兴市","ProvinceId":"330000","children":null},{"value":"330500","label":"湖州市","ProvinceId":"330000","children":null},{"value":"330600","label":"绍兴市","ProvinceId":"330000","children":null},{"value":"330700","label":"金华市","ProvinceId":"330000","children":null},{"value":"330800","label":"衢州市","ProvinceId":"330000","children":null},{"value":"330900","label":"舟山市","ProvinceId":"330000","children":null},{"value":"331000","label":"台州市","ProvinceId":"330000","children":null},{"value":"331100","label":"丽水市","ProvinceId":"330000","children":null}]},{"value":"340000","label":"安徽省","ProvinceId":null,"children":[{"value":"340100","label":"合肥市","ProvinceId":"340000","children":null},{"value":"340200","label":"芜湖市","ProvinceId":"340000","children":null},{"value":"340300","label":"蚌埠市","ProvinceId":"340000","children":null},{"value":"340400","label":"淮南市","ProvinceId":"340000","children":null},{"value":"340500","label":"马鞍山市","ProvinceId":"340000","children":null},{"value":"340600","label":"淮北市","ProvinceId":"340000","children":null},{"value":"340700","label":"铜陵市","ProvinceId":"340000","children":null},{"value":"340800","label":"安庆市","ProvinceId":"340000","children":null},{"value":"341000","label":"黄山市","ProvinceId":"340000","children":null},{"value":"341100","label":"滁州市","ProvinceId":"340000","children":null},{"value":"341200","label":"阜阳市","ProvinceId":"340000","children":null},{"value":"341300","label":"宿州市","ProvinceId":"340000","children":null},{"value":"341400","label":"巢湖市","ProvinceId":"340000","children":null},{"value":"341500","label":"六安市","ProvinceId":"340000","children":null},{"value":"341600","label":"亳州市","ProvinceId":"340000","children":null},{"value":"341700","label":"池州市","ProvinceId":"340000","children":null},{"value":"341800","label":"宣城市","ProvinceId":"340000","children":null}]},{"value":"350000","label":"福建省","ProvinceId":null,"children":[{"value":"350100","label":"福州市","ProvinceId":"350000","children":null},{"value":"350200","label":"厦门市","ProvinceId":"350000","children":null},{"value":"350300","label":"莆田市","ProvinceId":"350000","children":null},{"value":"350400","label":"三明市","ProvinceId":"350000","children":null},{"value":"350500","label":"泉州市","ProvinceId":"350000","children":null},{"value":"350600","label":"漳州市","ProvinceId":"350000","children":null},{"value":"350700","label":"南平市","ProvinceId":"350000","children":null},{"value":"350800","label":"龙岩市","ProvinceId":"350000","children":null},{"value":"350900","label":"宁德市","ProvinceId":"350000","children":null}]},{"value":"360000","label":"江西省","ProvinceId":null,"children":[{"value":"360100","label":"南昌市","ProvinceId":"360000","children":null},{"value":"360200","label":"景德镇市","ProvinceId":"360000","children":null},{"value":"360300","label":"萍乡市","ProvinceId":"360000","children":null},{"value":"360400","label":"九江市","ProvinceId":"360000","children":null},{"value":"360500","label":"新余市","ProvinceId":"360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